Senior VICIdial/PHP Developer

Job Description
We are seeking an experienced Senior Vicidial/PHP Developer to lead the development and maintenance of our AI-integrated contact center solution.

This is a critical role where you'll take ownership of our core telephony infrastructure and build robust APIs to support our next-generation contact center platform.

Key Responsibilities

• Take ownership of our existing Vicidial-based contact center infrastructure and codebase.
• Develop and maintain comprehensive RESTful APIs to expose Vicidial functionalities for integration with modern frontend applications.
• Architect and implement API layers that decouple Vicidial's telephony capabilities from its PHP frontend.
• Customize and extend Vicidial features to meet evolving business requirements.
• Optimize database queries and system performance for high-volume call center operations.
• Troubleshoot and resolve complex technical issues in the Vicidial ecosystem.
• Collaborate with AI engineers to integrate machine learning capabilities into the call center workflow.
• Document technical specifications, API endpoints, and system architecture.
• Mentor junior developers and provide technical guidance to the team.
• Plan and execute the gradual migration strategy toward a modern, multitenant architecture.

Must-Have
Required Skills & Experience :

• 3 - 5 years of hands-on experience in PHP development with production-level applications.
• Strong expertise in Vicidial installation, configuration, customization, and administration.
• Deep understanding of Vicidial's database schema, dialplan logic, and core modules.
• Proven experience in building RESTful APIs with PHP (Laravel/Symfony/native PHP).
• Strong knowledge of MySQL/MariaDB optimization and complex query writing.
• Experience with Asterisk PBX configuration and dialplan scripting.
• Understanding of telecommunication protocols (SIP, RTP, WebRTC).
• Experience integrating third-party services via APIs.
• Proficiency in Linux system administration (CentOS/Ubuntu).
• Version control expertise using Git.
• Strong problem-solving skills and ability to work independently.
• Excellent communication skills for technical documentation and team collaboration.

Nice-to-Have

• Experience with for frontend development.
• Knowledge of and for backend services.
• Familiarity with Python and AI/ML integration.
• Experience with AWS services (EC2, RDS, S3, Lambda, API Gateway).
• Understanding of microservices architecture.
• Experience with Docker and containerization.
• Knowledge of CI/CD pipelines and DevOps practices.
• Familiarity with multitenant SaaS architecture.
• Experience with WebSocket and real-time communication.
• Previous work with AI-powered call center solutions.
• Understanding of JWT authentication and OAuth protocols.
• Experience with Redis/Memcached for caching.
• Knowledge of message queuing systems (RabbitMQ, Kafka).

What We're Building
You'll be instrumental in our transition from a monolithic Vicidial-based system to a modern, scalable, multitenant contact center platform with :

• React-based frontend for superior user experience.
• backend for microservices architecture.
• Python-based AI engine for intelligent call handling.
• AWS cloud infrastructure for scalability and reliability.
• API-first design for seamless integrations.

What We Offer

• Opportunity to architect and lead a critical technology transition.
• Work with cutting-edge AI and cloud technologies.
• Collaborative environment with in-house DevOps, Full Stack, and AI engineering teams

)